YT

Yu-Chi Tsai

Overall (2004): #32,887 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6702639 Stick fuselage of toy plane Ming-Hung Hsieh 2004-03-09
6688937 Semi-scale toy plane 2004-02-10